Quote:
Originally Posted by Gunmetalmissle
5W-30 dexos1 = street (not enough protection for track use)
5W-40 dexos2 = track (long term street use possibly harmful to cats?)
0w-40 dexos2 = both (new for 2019 but retro to earlier years, hard to find so far)
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What would be considered "long term" use? I switched to 5W-40 MST for a track day that got cancelled, so I wanted to get some use out of it and left it in for awhile.